TCAP Success Grade 8 MATH Chapter 7

1pt

3.

Lucas’ house is 3,500 square feet. Which carpet cleaner should he use if he wants the better price?

1 pt

7.

The graphs of the equations

2x + 2y = 4 and 5x + 5y = 10 are

A

identical.

B

parallel.

C

intersecting.

D

perpendicular.

1 pt

10.

The admission fee at the fair is $2 for children and $5 for adults. Today, 1,700 people enter the fair, and $5,470 is collected. How many children and adults attended?

A

children = 690, adults = 1,010

B

children = 1,010, adults = 690

C

children = 750, adults = 950

D

children = 1,300, adults = 400

1 pt

12.

Which ordered pair is a solution for the following system of equations?

−3x + 7y = 25

3x + 3y = −75

A

(−13, −2)

B

(−6, 1)

C

(−3, −2)

D

(−20, −5)

1 pt

13.

For the following pair of equations, find the point of intersection (common solution) using the substitution method.

−3x − y = −2

5x + 2y = 20

A

(2, −4)

B

(2, 5)

C

(−16, 50)

D

$\left(\frac{1}{5},\frac{1}{2}\right)\phantom{\rule{0ex}{0ex}}$